diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index be75828..4922dd6 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1458,7 +1458,7 @@
 	 * @param	bool	$escape	Whether to escape values and identifiers
 	 * @return	int	Number of rows inserted or FALSE on failure
 	 */
-	public function insert_batch($table, $set = NULL, $escape = NULL)
+	public function insert_batch($table, $set = NULL, $escape = NULL, $batch_size = 100)
 	{
 		if ($set === NULL)
 		{
@@ -1489,9 +1489,9 @@
 
 		// Batch this baby
 		$affected_rows = 0;
-		for ($i = 0, $total = count($this->qb_set); $i < $total; $i += 100)
+		for ($i = 0, $total = count($this->qb_set); $i < $total; $i += $batch_size)
 		{
-			$this->query($this->_insert_batch($this->protect_identifiers($table, TRUE, $escape, FALSE), $this->qb_keys, array_slice($this->qb_set, $i, 100)));
+			$this->query($this->_insert_batch($this->protect_identifiers($table, TRUE, $escape, FALSE), $this->qb_keys, array_slice($this->qb_set, $i, $batch_size)));
 			$affected_rows += $this->affected_rows();
 		}
 
@@ -1865,7 +1865,7 @@
 	 * @param	string	the where key
 	 * @return	int	number of rows affected or FALSE on failure
 	 */
-	public function update_batch($table, $set = NULL, $index = NULL)
+	public function update_batch($table, $set = NULL, $index = NULL, $batch_size = 100)
 	{
 		// Combine any cached components with the current statements
 		$this->_merge_cache();
@@ -1904,9 +1904,9 @@
 
 		// Batch this baby
 		$affected_rows = 0;
-		for ($i = 0, $total = count($this->qb_set); $i < $total; $i += 100)
+		for ($i = 0, $total = count($this->qb_set); $i < $total; $i += $batch_size)
 		{
-			$this->query($this->_update_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->qb_set, $i, 100), $this->protect_identifiers($index)));
+			$this->query($this->_update_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->qb_set, $i, $batch_size), $this->protect_identifiers($index)));
 			$affected_rows += $this->affected_rows();
 			$this->qb_where = array();
 		}